function formatTime(date) {  
  var year = date.getFullYear()  
  var month = date.getMonth() + 1  
//   var day = date.getDate()  
//   
//   var hour = date.getHours()  
//   var minute = date.getMinutes()  
//   var second = date.getSeconds()  
  
  return [year, month].map(formatNumber).join('-')
}  
  
function formatNumber(n) {  
  n = n.toString()  
  return n[1] ? n : '0' + n  
}  
 console.log(formatTime(new Date()))
export {  
  formatTime  
}  

// var formatDate = function (date) {  
//     var y = date.getFullYear();  
//     var m = date.getMonth() + 1;  
//     m = m < 10 ? '0' + m : m;  
//     var d = date.getDate();  
//     d = d < 10 ? ('0' + d) : d;  
//     return y + '-' + m + '-' + d;  
// }; 
// 
